Thank you for the info, gentlemen.
He want to run one or the other never both together. Your answers 
confirm that this can happen - barring accidents.

Orf

Richard Glazier wrote:

> A-ss-u-ming ALL the "other" hardware was all the same,
> I see no reason why it should not work.
> Disclaimer: There are always<??> "things" that can and do happen
> that pop-up from time to time that are somewhat unexpected...
> 
> Skip the "mobile rack stuff", and this is no different than getting a new
> drive, and cloning the old to new, and keeping the old one "as is" - as
> a spare that is not connected most times...
> Looking at it that way, he would just be "testing" the spare from time 
> to time
> to see if it still worked... (And they would obviously get "out of 
> sync"...)
> Disclaimer: Note that doing it this way (NO mobile rack stuff) WILL 
> cause problems,
> since the cables were not designed to be pulled on and off all the time.
> (I think WD once said the "ribbon type" ATA-IDE cables are good for 
> about 20
> pull-on/off cycles, and then gets too loose to be "stable"...)
> 
> As far as the license for the OS, I presume you could call one an
> incomplete (or old) back-up (or back-up archive) of the other...
> This assumes only one OS instance can (AND will) be run at any given point
> in time.  (Running either "clone" as a "data drive ONLY" would not count 
> for this.)
> 
> If at any point BOTH OSs can be booted at the SAME time, (as in 
> different physical
> or virtual machines), it is NOT legal, unless they were licensed 
> separately with a special
> type of licensing not generally found "at home" nor "generally" found in 
> a home type setting.
> 
> If you follow the "clone idea", and the "ALL same physical hardware" 
> principles
> as stated above, he should be fine. (Follow the one licence, one machine 
> rule...)
> 
> Disclaimer: I'm no Lawyer, but believe the above is accurate as stated 
> AND if
> used as described and in full...  (No "fudging" or bending of rules 
> allowed <grin>)
> 
>                                               Rick Glazier
> 
> From: "Orf Bartrop"
> 
>> A fiend of mine wishes to rearrange how his computer works.
>> Currently he has "C" and "D" HDDs and a mobile rack containing an "E" 
>> drive.
>> He wishes to instal another mobile rack and put his "C" drive in this 
>> rack. So far so good.
>> He now wants to run a have a second "C" drive and swap it for the "C" 
>> drive in the mobile rack. Initially the two "C" drives will be 
>> identical but gradually will be different as files on one will not be 
>> copied to the other. In other words he want to run "C" drive (A) and 
>> "C" drive (B) alternatively from the one mobile rack.
>> My question is: Can this be done or are there hidden reasons why this 
>> will not work? 

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